Backdraft Dampers

CB-600

Aluminum Backdraft Damper (up to 2800 fpm)

The model CB-600 is a vertical or horizontal mounted backdraft damper that is designed to allow vertical or horizontal airflow and prevent reverse airflow.

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CB-601

Aluminum Backdraft Damper (up to 4000 fpm)

The model CB-601 is a horizontal or vertical mounted backdraft damper that is designed to allow horizontal or vertical airflow and prevent reverse airflow.

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CD

Counter Balance Round Damper

The Model CD was developed specifically for contractors to have an easy balance damper. It can be used in many applications including heat pump relief and by-pass. The CD is easily adjusted by moving the weights up or down or by rotating the extension arm.

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HCB-700

Heavy Duty Rectangular Damper up to 4″ w.g.

The Model HCB-700 is a vertical or horizontal mounted backdraft damper that is designed to allow vertical or horizontal airflow and prevent reverse airflow.

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HCB-750

Heavy Duty Backdraft Damper

The Model HCB-750 is a vertical or horizontal mounted backdraft damper that is designed to allow vertical or horizontal airflow and prevent reverse airflow.

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BF

Butterfly Spring Operated Round Damper

The Model BF is a small, round, aluminum, spring loaded, butterfly damper designed through size 16″ diameter for pressure through .30 w.c. The Model BF offers a EDPM rubber gasket and a galvanized steel housing. It can be installed in any position and requires .04 to .08 w.c. to open.

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RCD

Static Pressure Relief Damper

The Static Pressure Relief Damper, Model RCD, is a single blade aluminum damper with counterbalanced weighted arm. The RCD is used as a relief damper to bypass excess air when various zone dampers close down. The RCD can be adjusted by moving the weight up and down the damper arm and also by offsetting the arm to the damper blade. The RCD is recommended for use on systems with less than 0.3″ static pressure.

Additional weights can be ordered for optimum control of the damper.

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